Pneumatic cylinder clamping device

Details Pneumatic cylinder clamping device Pneumatic cylinder clamping device

1995-09-12

1997-07-15

Watson, Robert C.

Work holders

With fluid means

Cylinder-piston means in series with additional positioning...

B23Q 308

Patent

active

056475810

ABSTRACT:
A pneumatic clamping device which is driven by a single cylinder, but which operates with two degrees of motion so that it is completely out of the way after an assembly operation is complete. A housing which defines an aperture through which a shaft passes to connect to the cylinder. The shaft has two diameters along its length, the smaller of which is nearer the piston. This permits the shaft to point away from a vertical axis when it contacts the inner diameter of the aperture in the housing which provides a sliding fit to the larger diameter of the shaft. The shaft which supports a perpendicular clamp, one end of which will apply the clamping force to the workpiece. The other end of the clamp is connected to a guide which is approximately parallel to the shaft. A pin restrains the motion of the guide as the piston moves from the clamped to the unclamped position. Further movement of the piston impresses a second degree of motion upon the clamp, namely, a rotation about the pin and away from the work area.

REFERENCES:
patent: 2928320 (1960-03-01), Stokey
patent: 3565415 (1971-02-01), Blatt

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